Mediterranean Nachos

Directions

1. In a colander set over a bowl, toss cucumbers with 1/2 teaspoon salt. Let stand 30 minutes. Squeeze and pat dry. Set aside. In a small bowl, combine the cumin, coriander, paprika, 1/2 teaspoon pepper and 1/2 teaspoon salt; set aside.
2. Cut each pita into 8 wedges; arrange in a singer layer on ungreased baking sheets. Spritz both sides of pitas with cooking spray; sprinkle with 3/4 teaspoon seasoning mix. Broil 3-4 in. from the heat for 3-4 minutes on each side or until golden brown. Cool on wire racks.
3. In a large skillet, cook lamb with remaining seasoning mix over medium heat until lamb is no longer pink, 5-7 minutes, breaking into crumbles. Add garlic; cook 1 minute longer. Drain. Combine cornstarch and broth until smooth; gradually stir into the pan. Bring to a boil; cook and stir for 2 minutes or until thickened.
4. In a small bowl, combine the yogurt, lemon juice, lemon zest, cucumbers and remaining salt and pepper. Arrange pita wedges on a serving platter. Layer with lettuce, lamb mixture, tomatoes, olives, onions and cheese. Serve immediately with cucumber sauce.